[FFmpeg-trac] #6186(avformat:new): Concat demuxer produces invalid output for some h.264 MP4 files

[FFmpeg]

#6186: Concat demuxer produces invalid output for some h.264 MP4 files
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             Reporter:  jonmast     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  concat      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by jonmast):

 Replying to [comment:7 cehoyos]:
 > Replying to [comment:6 jonmast]:
 > > we encode them with Elastic Transcoder (for performance reasons)
 > Could you elaborate?
 > Since both FFmpeg and Elastic use x264 I would expect them to have
 (very) similar performance.

 By "performance" I am referring to encoding time. We would need a much
 more expensive EC2 instance to match the speed of Elastic Transcoder,
 which isn't cost effective with our current load.

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Ticket URL: <https://trac.ffmpeg.org/ticket/6186#comment:8>
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